Finding the Third Proportional to 152,203 and 242,398.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,203 : 242,398.50 = 242,398.50 : x
2. Step 2: Convert to fraction form
   152,203/242,398.50 = 242,398.50/x
3. Step 3: Cross multiply
   152,203x = 242,398.50 × 242,398.50
4. Step 4: Simplify right side
   152,203x = 58,757,032,802.25
5. Step 5: Solve for x
   x = 58,757,032,802.25/152,203
6. Step 6: Final answer
   x = 386,043.85